An Efficacy and Safety Evaluation of Tiotropium add-on Therapy in Patients With Severe Persistent Asthma
Clinical trial NCT00365560 · COMPLETED
Trial details
- NCT number
- NCT00365560
- Sponsor
- Boehringer Ingelheim
- Status
- COMPLETED
- Phase
- Phase 2
- Study type
- INTERVENTIONAL
- Start date
- 2006-08-01
- Primary completion
- 2007-11-01
- Enrollment
- 115
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